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Finding the Fourth Proportional to 79,405.60, 119,063.04 and 32,620

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Solution

The fourth proportional to 79,405.60, 119,063.04 and 32,620 is: 48,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,405.60 : 119,063.04 = 32,620 : x
  2. Step 2: Convert to fraction form
    79,405.60/119,063.04 = 32,620/x
  3. Step 3: Cross multiply
    79,405.60x = 119,063.04 × 32,620
  4. Step 4: Simplify right side
    79,405.60x = 3,883,836,364.80
  5. Step 5: Solve for x
    x = 3,883,836,364.80/79,405.60
  6. Step 6: Final answer
    x = 48,911.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.